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Cisco Bug: CSCvv29511 - Fake OPTICS TEMPERATURE LOW ALARMS / WARNINGS for 40G transceivers

Last Modified

Sep 16, 2020

Products (1)

  • Cisco Network Convergence System 5500 Series

Known Affected Releases

6.6.3.BASE

Description (partial)

Symptom:
OPTICS TEMPERATURE LOW ALARMS / WARNINGS (meaning temp less than 5 /10 C) appears for ports using 40G transceivers. These events appear for 5-15 seconds for same port (set of ports) in a sporadic manner

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LC/0/6/CPU0:Jun 26 01:53:08.783 CEST: optics_driver[306]: %PKT_INFRA-FM-3-FAULT_MAJOR : ALARM_MAJOR :OPTICS TEMPERATURE LOW ALARM :DECLARE : Optics0/6/0/25: Optics0/6/0/25 
LC/0/6/CPU0:Jun 26 01:53:23.276 CEST: optics_driver[306]: %PKT_INFRA-FM-3-FAULT_MAJOR : ALARM_MAJOR :OPTICS TEMPERATURE LOW ALARM :CLEAR : Optics0/6/0/25: Optics0/6/0/25 
LC/0/3/CPU0:Jun 26 17:38:54.033 CEST: optics_driver[178]: %PKT_INFRA-FM-3-FAULT_MAJOR : ALARM_MAJOR :OPTICS TEMPERATURE LOW ALARM :DECLARE : Optics0/3/0/6: Optics0/3/0/6 
LC/0/3/CPU0:Jun 26 17:39:15.391 CEST: optics_driver[178]: %PKT_INFRA-FM-3-FAULT_MAJOR : ALARM_MAJOR :OPTICS TEMPERATURE LOW ALARM :CLEAR : Optics0/3/0/6: Optics0/3/0/6 
LC/0/6/CPU0:Jun 26 20:34:24.358 CEST: optics_driver[306]: %PKT_INFRA-FM-3-FAULT_MAJOR : ALARM_MAJOR :OPTICS TEMPERATURE LOW ALARM :DECLARE : Optics0/6/0/25: Optics0/6/0/25 
LC/0/6/CPU0:Jun 26 20:34:38.856 CEST: optics_driver[306]: %PKT_INFRA-FM-3-FAULT_MAJOR : ALARM_MAJOR :OPTICS TEMPERATURE LOW ALARM :CLEAR : Optics0/6/0/25: Optics0/6/0/25 
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Conditions:
the issue is observed for 40G transceivers
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Bug Details Include

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